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Finding the Fourth Proportional to 64,457.88, 88,786.14 and 45,562.52

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Solution

The fourth proportional to 64,457.88, 88,786.14 and 45,562.52 is: 62,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,457.88 : 88,786.14 = 45,562.52 : x
  2. Step 2: Convert to fraction form
    64,457.88/88,786.14 = 45,562.52/x
  3. Step 3: Cross multiply
    64,457.88x = 88,786.14 × 45,562.52
  4. Step 4: Simplify right side
    64,457.88x = 4,045,320,279.47
  5. Step 5: Solve for x
    x = 4,045,320,279.47/64,457.88
  6. Step 6: Final answer
    x = 62,759.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.